Anderson, J. M., Anderson, H. M., & Cleal, C. J. (2007). Brief history of the gymnosperms: Classification, biodiversity, phytogeography and ecology. South African National Biodiversity Inst.
Chicago Style (17th ed.) CitationAnderson, John M., Heidi M. Anderson, and Christopher J. Cleal. Brief History of the Gymnosperms: Classification, Biodiversity, Phytogeography and Ecology. Petretoria: South African National Biodiversity Inst, 2007.
MLA (9th ed.) CitationAnderson, John M., et al. Brief History of the Gymnosperms: Classification, Biodiversity, Phytogeography and Ecology. South African National Biodiversity Inst, 2007.
Warning: These citations may not always be 100% accurate.